Amazon.com: Skin Perfection GHK Cu Copper Peptide Powder 99.7% Pure DIY Copper Peptides Serum for Face and Scalp Cosmetic Grade GHK Cu 1 Gram Creates Up to 100ml for Fuller Hair and GHK Cu Copper Peptides: Topical vs Injectable GHK Cu Peptide Benefits (And a Few Risks) Explained 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK 10 Benefits of Copper Peptides (GHK Cu) Boosts collagen production firmer, youthful skin Improves skin elasticity reduces sagging Reduces fine lines & wrinkles Accelerates wound & scar healing Strengthens skin barrier Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with